MimiJadV1rnje8ss MimiJadV1rnje8ss

20-05-2016
Mathematics

contestada

Choose the number that is composite.

A. 2
B. 21
C. 31
D. 17

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Аноним Аноним

20-05-2016

A composite number has more than two factors. (B) 21 is a composite number because the factors of 21 are 7 × 3.

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